26 



NOTES TO THE 



of gear, the opposing tooth still continues to grow. In the rabbit 

 now before us a shot or some other injury has partially dis- 

 located the lower jaw; the lower teeth, therefore, do not correspond 

 with those in the upper jaw, they are therefore grown to the 

 length of one inch and a quarter. 



There is great variety in deformities of rabbit's' teeth, and I 



BABBIT WITH DEKOIiMED TEETH. 



have in my museum several fine specimens ; some teeth are 



almost in the shape of a ring, others are spiral like a corkscrew. 



The elephant's tusk grows from within outwards, exactly in the 



same way as does a rabbit's tooth. Musket balls are often found 



